<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>flex_menu弹性布局菜单</title>
  <link rel="stylesheet" href="./flex_menu.css">
</head>

<body>
  <ul>
    <li id="home"><a href="#">菜单一</a></li>
    <li><a href="#">菜单二</a></li>
    <li><a href="#">菜单三</a></li>
  </ul>
</body>

</html>